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Newer agents may be more potent, or possibly have fewer side effects
Additionally, conditions such as pernicious anemia, gastrointestinal disorders, or even aging can impair B12 absorption
Do not leave the vial out for extended periods, and always return it to the refrigerator immediately after drawing your dose
For researchers seeking the maximum possible concentration from a scientifically credible source, this product stands alone
Presented for research literature review only Goto S et al
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